López-Fernández G, Barrios M, Gómez-Benito J. The Maternal Attachment Inventory: Development and validation of a short form.
J Adv Nurs 2021;
77:3046-3057. [PMID:
33624343 DOI:
10.1111/jan.14812]
[Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 01/15/2021] [Accepted: 02/04/2021] [Indexed: 11/30/2022]
Abstract
AIMS
To translate and adapt the Maternal Attachment Inventory (MAI) into Spanish; to develop a short form of the instrument that can be used during early childhood; and to test its psychometric properties in a large sample of Spanish mothers.
DESIGN
Cross-sectional study of adaptation and cultural validation of instruments.
METHODS
Data were collected between February and September 2018. In Stage I, the instrument was culturally adapted using a standardized translation and back-translation method. In Stage II, the factor structure of the Spanish version was tested in a sample of 300 mothers with children aged between 2 and 7 years, and on the basis of the findings a short form of the instrument was developed. Finally, in Stage III, in a second sample of 356 mothers, confirmatory factor analyses of first-, second-order and bi-factor structure were conducted to find the optimal factor structure of the short form of the Spanish MAI. Convergent validity, internal consistency and test-retest reliability were also examined.
RESULTS
A bi-factor structure with four sub-scales and 17 items emerged from the factor analyses conducted in Stages II and III. Scores on the short form were negatively correlated with mother-to-infant bonding disorders. The short form presented adequate internal consistency and test-retest reliability.
CONCLUSIONS
The Spanish MAI short form is a valid and reliable measure for assessing maternal attachment in mothers of children aged between 2 and 7 years.
IMPACT
We present a short version of the MAI for healthcare professionals, adapted for application in a new age range and validated for use with Spanish mothers.
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